There is default maintenance account in the system, but can’t be removed, the user wants to delete this account in consider with the safety problem.
After upgraded it to V100R005C00SPC500 can solve the problem.
The version USG V100R005C00SPC300 takes its own maintenance account.
There has two methods to dealt with the problem:
1. Reduce the account authority level to level 1
2. Upgrade it to V100R005C00SPC500 can completely solve